Yes, and Amen!
We are to continually see Jesus in the faces(or 'avatars') that we answer.
People are pigheaded though.
The Apostles often were strong in rebuke for heresy that entered into the flock.
We(on this site), as many of us that are able, use scripture to show truth.
Some are set in their ways.
Some are like old wineskins.
When dealing with these types of people it is easy to get emotionally involved.
But as you say, we should just state the truth, and leave it.
As you say, there is no good thing coming from a continual brow beating by both sides.
The truth IS important though (for the readers), so sometimes we overstate our case.
It is a common folly of the soul of mankind.
Not to excuse it, just reality.
God's grace is sufficient for this too.
- (See Martin Luther, - Council of Worms)
Standing up for the truth can get you killed, (not on this site); - but that is what the crown of martyrdom is for.
- So the truth IS important to God.
and may the LORD always find us preaching it